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Table 1 Data extracted from included studies

From: Consideration of image guidance in patterns of failure analyses of intensity-modulated radiotherapy for head and neck cancer: a systematic review

Category

Items

Patient characteristics

Number of cases

Anatomical sub-sites

TNM stages

Radiotherapy setting

Systemic treatment

Treatment characteristics

Radiotherapy technique

Boost technique

CTV-PTV margin

IGRT

Number and frequency of image acquisition

Use of no-action-levels

Primary and complementary/secondary IGRT techniques

Immobilization techniques

Setup correction

Adaptive re-planning

Workflow for adaptation

Triggers for adaptation

Patterns of failure

Diagnostic Modality for PoF

PoF correlation with target volumes

PoF terminology

Analysis of IGRT factors influencing PoF

Possible associations between IGRT procedure and PoF

Plan robustness analysis

  1. CTV: Clinical Target Volume; IGRT: Image-Guided Radiotherapy; PoF: Patterns of Failure; PTV: Planning Target Volume; TNM: TNM Classification of Malignant Tumours